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RELEASES.MD

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Release Candidates

  • Create a branch named changelog-<version>-<rc.#>. Clean up the changelog, add the version heading and merge to main.
  • Push a semver tag to main on the merge commit above. Something like:
    • git tag -a v1.2.0-rc.0
    • git push origin v1.2.0-rc.0
  • This will initiate the build process in Github Actions and Drone. The tagged docker image should be available here shortly: https://hub.docker.com/r/grafana/tempo/tags?page=1&ordering=last_updated
  • A Github Release Draft should also be available here: https://github.com/grafana/tempo/releases
    • Copy over the CHANGELOG entries for the release
    • Call out contributors for their work
    • Cull unnecessary changes that don't impact the Tempo binary or deployment
    • Call out breaking changes!
  • Publish the release making sure that "This is a pre-release" is checked.

Releases

This document details release procedures for Tempo.

  • Create a release branch. This may or may not be on the same commit as the release candidate above.
    • Name the branch like release-v2.2
  • Follow all steps in Release Candidates except:
    • Drop the -rc.# postfix from the tag. For instance use v1.2.0 instead. Something like:
      • git tag -a v1.2.0
      • git push origin v1.2.0
    • Make sure that the "This is a pre-release" is unchecked when publishing the release.
  • Submit a PR cleaning up the changelog and moving everything under "main/unreleased" to be under the newly minted version.
    • Given that the changelog was already cleaned up for the RC above. This will likely be simply renaming the release candidate to the full version.
  • In github releases there should be a "Draft" release. Pretty up the changelog, add it to the release notes and hit "Publish release". Make sure that "Set as the latest release" is checked.
  • Update helm
    • Submit PRs to github.com/grafana/helm-charts to update to the newly cut version.
      • One PR each for the tempo, tempo-distributed and tempo-vulture helm charts.
      • Search the chart for the previous version and udpate each version number to current.

Patch Releases

Patches release should be cut for serious bug fixes or security issues.

  • A release branch should exist per instructions above. It will be named: git checkout release-vX.Y
  • Commits should already have been backported to this branch using backport automation, but if you need to add more you can cherry-pick them: git cherry-pick <commit hash>
  • Push the commit
    git push
  • Create and push a tag to initiate the release. This will be pushed to the release branch. git tag -a v1.0.1
    git push origin v1.0.1
    This triggers the build.
  • Submit a PR to main cleaning up the changelog and moving those entries in the patch release under "main/unreleased" to be under the newly minted version.
  • In github releases there should be a "Draft" release. Pretty up the changelog, add it to the release notes and hit "Publish release". Make sure that "Set as the latest release" is checked.
  • Submit a PR to the Helm repo as described above.